--- a/src/pyams_content/component/association/zmi/__init__.py	Mon Jul 20 15:21:56 2020 +0200
+++ b/src/pyams_content/component/association/zmi/__init__.py	Mon Aug 31 14:35:09 2020 +0200
@@ -10,45 +10,44 @@
 # FOR A PARTICULAR PURPOSE.
 #
 
-__docformat__ = 'restructuredtext'
-
-
-# import standard library
 import json
 
-# import interfaces
-from pyams_content.component.association.interfaces import IAssociationContainerTarget, IAssociationContainer, \
-    IAssociationInfo
-from pyams_content.component.association.zmi.interfaces import IAssociationsParentForm, IAssociationsView
-from pyams_content.interfaces import MANAGE_CONTENT_PERMISSION
-from pyams_form.interfaces.form import IInnerSubForm
-from pyams_skin.layer import IPyAMSLayer
-from pyams_utils.interfaces import VIEW_SYSTEM_PERMISSION
-from pyams_zmi.interfaces.menu import IPropertiesMenu
-from z3c.table.interfaces import IValues, IColumn
+from pyramid.decorator import reify
+from pyramid.view import view_config
+from z3c.form import field
+from z3c.table.column import GetAttrColumn
+from z3c.table.interfaces import IColumn, IValues
+from zope.interface import Interface, implementer
 
-# import packages
+from pyams_content.component.association.interfaces import IAssociationContainer, \
+    IAssociationContainerTarget, IAssociationInfo
+from pyams_content.component.association.zmi.interfaces import IAssociationsParentForm, \
+    IAssociationsView
+from pyams_content.interfaces import MANAGE_CONTENT_PERMISSION
 from pyams_form.form import AJAXAddForm, AJAXEditForm
+from pyams_form.interfaces.form import IInnerSubForm
 from pyams_form.security import ProtectedFormObjectMixin
-from pyams_pagelet.pagelet import pagelet_config, Pagelet
-from pyams_skin.table import BaseTable, SorterColumn, NameColumn, ImageColumn, I18nColumn, TrashColumn, \
-    VisibilitySwitcherColumn
-from pyams_skin.container import switch_element_visibility, delete_container_element
-from pyams_skin.event import get_json_switched_table_refresh_event, get_json_table_row_refresh_event
+from pyams_pagelet.pagelet import Pagelet, pagelet_config
+from pyams_skin.container import delete_container_element, switch_element_visibility
+from pyams_skin.event import get_json_switched_table_refresh_event, \
+    get_json_table_row_refresh_event
+from pyams_skin.layer import IPyAMSLayer
+from pyams_skin.table import BaseTable, I18nColumn, ImageColumn, NameColumn, SorterColumn, \
+    TrashColumn, VisibilitySwitcherColumn
 from pyams_skin.viewlet.menu import MenuItem
-from pyams_utils.adapter import adapter_config, ContextRequestViewAdapter
+from pyams_utils.adapter import ContextRequestViewAdapter, adapter_config
+from pyams_utils.interfaces import VIEW_SYSTEM_PERMISSION
 from pyams_utils.registry import get_current_registry
 from pyams_utils.traversing import get_parent
 from pyams_utils.url import absolute_url
 from pyams_viewlet.viewlet import viewlet_config
 from pyams_zmi.form import AdminDialogDisplayForm
+from pyams_zmi.interfaces.menu import IPropertiesMenu
 from pyams_zmi.view import ContainerAdminView
 from pyams_zmi.zmi.table import InnerTableView
-from pyramid.decorator import reify
-from pyramid.view import view_config
-from z3c.form import field
-from z3c.table.column import GetAttrColumn
-from zope.interface import implementer, Interface
+
+
+__docformat__ = 'restructuredtext'
 
 from pyams_content import _
 
@@ -255,7 +254,7 @@
             return '--'
 
 
-@adapter_config(name='trash', context=(IAssociationContainerTarget, IPyAMSLayer, AssociationsTable), 
+@adapter_config(name='trash', context=(IAssociationContainerTarget, IPyAMSLayer, AssociationsTable),
                 provides=IColumn)
 @adapter_config(name='trash', context=(IAssociationContainer, IPyAMSLayer, AssociationsTable), 
                 provides=IColumn)